Your QuickBooks  accounting specialist for building services
companies

Take back control of your business and gain a higher perspective on your operations

Bryan Sosa Hernandez - Constructcible Inc.
General contractor
Client since 2023

Take control of your finances, stress-free

No more delays, errors, and accounting headaches. Théörème brings order to your numbers, automates your processes and gives you a clear vision of your finances, without increasing your mental load.

Save time and gain height

Free yourself from repetitive tasks and focus on growing your business. Our smart integrations with QuickBooks and apps designed for your industry allow you to automate your entries, generate reports, and follow-ups — for an accounting function that works for you.

Get clear visibility on your worksites and your teams

Follow the costs, margins and progress of each project in real time. Thanks to accurate dashboards and an accounting structure adapted to the construction industry, you make informed decisions at each stage of each construction project.

Accounting services designed for Building on solid foundations

From accounting migration to financial strategy, Théörème accompanies you at every step for a connected, efficient accounting function that is aligned with the reality of the construction industry.

Migrating to QuickBooks Online

Switch to modern, cloud-based, and efficient accounting. Théörème ensures a smooth transition from your legacy software (Acomba, Sage, Excel...) to QuickBooks OnLine, without data loss or stress.

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Specialized construction accounting

Entrust your accounting to a Chartered Professional Accountant (CPA) who understands the realities of the construction industry: cost management, time tracking, payroll, subcontracting and seasonality. Clean books, delivered on time, all the time.

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Automation and artificial intelligence

Reduce manual tasks and save time by automating your financial processes. Théörème integrates intelligent tools to synchronize your data and streamline your daily management.

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CFO service and strategic support

Take advantage of an on-demand CFO. We help you manage your margins, anticipate your cash flow needs and build a sustainable growth strategy.

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Customized reporting and dashboards

Gain instant clarity with visual, intuitive reports tailored to your business. Monitor project profitability, cash flow, and key performance indicators (KPIs) — all in real time.

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360° accounting department

Théörème is more than an accounting firm — it’s your all-in-one management hub. From accounting, taxation, QuickBooks integration, and automation to reporting, purchase order management, invoicing, and performance tracking, we centralize everything you need to run your business efficiently.

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Why choose Théörème

Recognized expertise

Led by a seasoned CPA and MBA with over 30 years of business experience, Théörème blends accounting precision with advanced QuickBooks expertise. This rare combination delivers reliable, compliant solutions tailored to the unique challenges of the construction industry.

Specialist in the construction and building sector

Accounting expertise built on knowledge of construction sites: cost management, payroll, subcontracting and seasonality. Théörème speaks your language.

Efficient technologies

Théörème builds a connected, scalable QuickBooks ecosystem for your business. Through smart integrations, automation, and AI-powered tools, we simplify your operations and drive financial performance.
Beyond QuickBooks, we select and connect the best third-party applications to expand your capabilities — from sales and purchasing to cash flow management and advanced reporting.

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Mathieu LeMonnier - Maison des fleurs vivaces
Horticultural producer
Client since 2023

A few figures that speak for themselves

30 years

Experience in accounting and business management

150+

clients supported since the creation of the firm in 2018

5 ★

on QuickBooks, customer satisfaction. Somethingwe are proud of

100%

of our customers recommend our services

Certifications

that guarantee your peace of mind

Partners

QuickBooks Online to challenge you

Trusted by leading businesses

QickBooks and Shopify ecosystem
Valérie Dufour
Détaillant, grossiste et construction de patios, pergolas et vérandas.
QuickBooks for a General COntractor
Bryan Sosa Hernandez
Contracteur Général Charpentier
QuickBooks propelled our growth
Fédéric
Agricultural fencing installation
Switch from Excel to QuickBooks in no time.
Antonio Di Lillo
General Contractor - Commercial and Industrial

Take it to the next level with QuickBooks Online and Théörème

Transform your accounting function into a powerful, connected system, built around your business.

Schedule a free call
Nicolas Guillotte, Poseidon Pools & Spas Inc.
Pools and Spas
Client since 2023

Frequently asked questions

Find all the answers to your questions
Why should we move to QuickBoks Online?
How can partnering with you for our bookkeeping create added value for our business?
I would like to hand over our bookkeeping to you. How do you begin?
My company operates in the construction sector. How does your bookkeeping service stand out?
How can QuickBooks Online help me implement a complete solution for my construction business?
We are specialized contractors or service providers, what solutions can you integrate with our QuickBooks Online bookkeeping ecosystem?
We are general contractors, what solutions can you integrate with our QuickBooks Online bookkeeping system?
What is the next step?
Do you offer bookkeeping services on platforms other than QuickBooks Online?
What is the best time of our fiscal year to switch to QuickBooks Online?
Can you migrate data from our current accounting software directly into QuickBooks Online?
What are the benefits of migrating data from our current system to QuickBooks Online?
If the data in our current system cannot be migrated, what is the best option?

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